Machine



Oct. 18, 1932. 1,883,760

J. BRICKEN. NOW BY JUDICIAL CHANGE OF NAME J. G. BEAVER CALCULATING MACHINE Filed April 22. 1931 4 Sheets-Sheet l @@@QQQOOOOOQOQDOQQQ @OOOQQOOQOGOQDQQOQQ 000000000O000000 [N VENTO/f Oct. 18, 1932. 1,883,760 J. BRlcKEN. Now BY JUDICIAL CHANGE oF NAME J. G. BEAVER CALGULATING MACHINE Filed April 22, 1931.

4 Sheets-Sheet 2 /NVENTU T0770 ,Bw/cker( @D A role/vb y Oct. 18, 1932.

J. BRICKEN. NOW BY JUDICIAL CHANGE OF NAME J. G. BEAVER CALCULATING MACHINE Filed April 22, 1931 4 Sheets-Sheet 5 Oct. 18, 1932. v 1,883,760 J. BRICKEN, Now BY JUDICIAL CHANGE oF NAME J. G. BEAVER CALCULATING MACHINE Filed April 22, 1931 4 sheets-sheet 4 IN VEN T0 R J'm Bm'cgen ff/@ I Patented Oct. 18, 1932 UNITED STATS PATENT ori-lcs JHN BRICKEN (NOW'BY JUDCIAL (GRANGE @F NAME JOHN' GEORGE BEAVER), 0F

,EAST ORANGE, NEW JERSEY, SSGNl't T@ MNROE GALCULATING MACHINE COM- PANY, F ORANGE, NEW JERSEY, A IORPOE-TIN @F DELAWARE LC'U'MTING MCHNE .application and apre 2a resi. serial ne. seneca.

dition.-

Another object is to arrange the members to actuate in either direction of rotation., These objects are effected by the provision of means to advance the driven member of the actuator a selected amount, moving the driving member -intoengagement with said driven member while in a osition of rest and by releasing the same a r the selected amountis accumulated andthe driven mem- ZQ ber again brought to rest.

The invention consists inthe novel'c'onstruction and combination of parts, asset forth in the appended claims. y

Fig. 1 is a top plan view of a machine embodying this invention.

Fi'g. 2 is a sectional view taken substantially on line 2--2, Fig. 1.

Fig. 3 is a sectional view taken substantially on line 3-3, Fig. 1.

Flg. 4 is a sectional view taken substantiall on line 4-4, Fig. 2.

e invention is shown embodied in a machine in connection with known mechanism, to 'illustrate 'its application to cal-culating machinesf Other forms of mechanism can be applied with similar effect. Additional numeral wheel groups or registers can be arranged at the rear ofthe machine by a duplication of the same parts associated with the saine keyboard.

Referring tothe drawings; a plurality of y digit keys 15 are arranged in denominational rows, each r w having a ke for eachk significant di 't, rom 1 to 9 inc' usive. Each key is provided with a spring 16 to -maintain it in raised position. Each row of key stems are arranged in the path of a locking bail 17 which may hold any ke in depressed position by engagement wit notch 18. A zero key 19, in each row, is arranged to release any depressed digit key. All other keys will upon depression release any key previously depressed in the same row, by means f rocking bail 17 riding on cam surface 20. Bar 2l extending from right to left of the machine in front of the 0 keys, is provided with pins 22 extending through slots of each O key Stem 19. This bar 21 is rocked by key 23 to cancel any setting in the keyboard by depressing all of the O keys.

Each row of keys is mounted in a top plate 24 and' abottom plate 25, secured to the machine by yan alternated arrangement of lugs 26 and 27 pressed into slots of partition plates 28 arranged between each denominational row of keys. The partition plates are spaced by a series of slotted blades 29, held in position by rod 80, through key holes in partition plates 28. The purpose of this arrangement is to assemble any number oi' rows in a complete machine, like parts being used for advantage in production.

Each denominational row has two rocking members 31 and 32 mounted upon plates 28 by pivot studs 38 and 84. Secured to the rockin members by pivot studs 35 and 38 are bails 3 provided each with a series of lugs 38 on their upper edges, in graduated formation. Secured to hails 87 by pivoted links 39 and 40 are members 41 held against stops 42 by springs 43. Baile 377 are held in rearward position by slots 44 engaging pins 45 of levers 47 Vmounted' upon plates 28 by pivot studs 48 and maintained in upward position by springs 49. The lower ends of rocking members 31 have pivot studs 50supporting links 51'which yhave their rear ends secured by pivot pins to blocks 52, free to slide in slots 53 of cam plates 54. Depression of any digit key causes member 41 to be moved downward, releasing pin 45 from slot 44. Bail 37 becomes free to move forward, by the action of spring 56, for a distance determined bythe graduated spacing of lug 38 in relation to the bottom of the depressed key stem 15, which serves as a stop. Key stem 19 has no action on member 41 and will notrclease lock pin 45 holding bail 37 in O position.

Arranged in bearings on each side of the machine are shafts 57, on which are mounted cam arms 58 and rocker plates 59. Rotation of double cam 60, used to .provide forpositive action, causes plates 59 to rock. Rocker plate 59 on the left side of machine is joined with rocker plate 59 on the right side of Inachine by through rods 61 forming a cradlefor carrying the cam plates 54. Rotation of the driving elements of the machine causes -cam plates 54 to be rocked about a fulcrum 1d point located at center of stud 55, which as illustrated in Fig. 2, with selector set in O position, results in no motion of link 62, se-

,70. iShaft 69 is rocked yby cam lever 71 in contact with double cam 72, used to provide for positive action. Cam 72 is rotated b shaft 73, driven by gears 74 and 75 from sha 76. Bearing ring 77 is supported by ears pressetlfrom plate 28 and forms a bearing for the rotating Aof squirrel cage actuator gear 7,8. Bearingring 77 has an elongated slot 79 to allow for action of engaging finger 66, also a .narrow slot 8O to form a bearing for locking finger 8l. The front end of locking finger 81 is pivoted on rod 68 independently of finger 66 and, being guided in bearing 80',

moves radially of ear 78, in the movement of shaft 69. By fol owing this motion itcan now be seen .that the setting of an amount upon .the keyboard causes pivot point 55 to move forward in slot 53 of cam plate 54;

to an extent suflicient to cause engaglng finger "66 to import the Adesired degree of movement to gear 78 when cam late 54 is rocked'clockwise `as viewed in ig. 2. The camming movement is so arranged that pivot ,point 68 is rocked forward to engage finger 66 between teeth of gear 78 and release locking finger 81 when cam plate 54 is in the extreme dowtnward position and at a point of dwelling. After finger 66 is rocked upward to rotate gear 7 8, clockwise, the selected amount, pivot point 68 is rocked rearward, engaging the lock and releasing finger 66, which is freturned idly to normal position. Upon reversal of the machine the driving elements will rotate gear 78 counter-clockwise, by engaging finger 66 with gear 78 in the eXtreme upward position of the finger, the dow-,n stroke being now active, instead of the upstroke. Rocking member 31 is locked in selected position, with rod 82 engaging the teeth thereof, when the actuator is in Inotion. R0d82, connecting with levers 83, is rocked from shaft 84, by the action of cam 85, lever 86 and spring 87.

Rod 88 which is arranged in front of rock-` ing members 31 and, sliding in slot 89, returns the selector to 0 positiony at the end of each cycle, by the action of link 90 pivotally connected to link 91, which is rocked by shaft 92; arranged to rockrOm'cam 93 and compound levers 94 and 495.

Well knowlplanetary gear carry mechanism is applied to the numeral wheels and driven by intermediate gears 96. Gear 97, rotating gears of the planetary -systemadvarices the numeral wheel and also a single tooth vgear 98. y At the carry position, single tooth gear 98 rotates ear 99, advancin gear 100, fast to the same ub. Gear 101 o next higher order, encasing the lanetaryintermediate gears, .is advancedy ear 100 and rotates. the numeral wheel ana ditional one tenth of a revolution.

Motor drive mechanism arranged to drive shaft 76 is provided and is adapted to be called into `action by the plus and minus keys.

This arrangement bein lwell known, no`special description thereo is included herein.

Likewise, clearing of the numeral wheels and shifting of the numeral wheel carriage may beeiected by any of the known mechanical means.

I claim: e

1. `In a calculating machine having numeral-wheels; actuators thereforcomprising each a driven gear, two interconnected pawls, means for moving said pawlsalternately into contact with said gear, and means for advancing one of said pawls varying distances to advance said gear differentially.

2. In a calculating machine having numeral wheels; actuators therefor comprising each an internal gear, an oscillatory arm mounted within the circumference of said gear, two pawls'mounted upon said arm and movable thereby alternately into contact with said gear, means for moving one 'of said pawls pivotally, and meansfor varying the pivotal movement of said pawl.

Signed at Orange in the county of Essex and State of New Jersey, this 30th day of March, A. D. 1931.

JOHN BRICKEN.

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